<template>
  <div class="tabbar">
    <ul>
      <li 
        v-for="(item,i) in routerList"
       :key="i" 
       @click="swithTab(item.path)"
       >
        <img :src="$route.path.includes(item.path) ? item.selected : item.active" />
        <span :class="$route.path.includes(item.path) ? 'active': ''">{{item.title}}</span>
      </li>
    </ul>
  </div>
</template>

<script>
export default {
  data() {
    return {
      routerList: [
        {
          title: '首页',
          path: '/home',
          active: '/images/home.png',
          selected: '/images/home-select.png',
        },
        {
          title: '分类',
          path: '/list',
          active: '/images/list.png',
          selected: '/images/list-select.png',
        },
        {
          title: '购物车',
          path: '/cart',
          active: '/images/cart.png',
          selected: '/images/cart-select.png',
        },
        {
          title: '我的',
          path: '/my',
          active: '/images/my.png',
          selected: '/images/my-select.png',
        },
      ]
    }
  },
  methods: {
    swithTab(path) {
      if(this.$route.path===path) return
      this.$router.push(path)
    }
  },
}
</script>
<style lang="scss" scoped>
.tabbar {
  position:fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1.6rem;
  background-color: #fff;
  z-index: 999;
  ul {
    display: flex;
    justify-content: space-around;
    align-items: center;
    width: 100%;
    height: 100%;
    li {
      display: flex;
      flex-direction: column;
      align-items:center;
      img {
        width: 0.8rem;
        height: 0.8rem;
      }
      span {
        font-size: 0.4rem;
        &.active{
          color: red;
        }
      }
    }
  }
}
</style>